Trailer hitch..Millermatic 175 230V problems?

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  • trickard
    Junior Member
    • Apr 2006
    • 2

    Trailer hitch..Millermatic 175 230V problems?

    Ok I went to weld up my custom trailer hitch today and much to my surprise my Millermatic 175 MIG unit wouldn't operate..How can this be? it has less than 10 hours of use on it. ???
    It has power, the fan turns, when I close the trigger argon flows out the torch. What I dont have is any wire feed or and Voltge at the torch, i.e. it wont even make and arc of any size, even with both knobs on MAX

    I took the cover off and the thermal circuit breaker has voltage on both sides. I verified 230V is geting to the circuit board.. The board had a green LED that glows and a red one that blinks "on" when I squeeze the trigger..

    Any IDEAS.. I'm calling th repair shop tomorrow?

    ... TJR
  • fyoung
    Senior Member
    • Dec 2005
    • 352

    #2
    don't know

    Originally posted by trickard
    Ok I went to weld up my custom trailer hitch today and much to my surprise my Millermatic 175 MIG unit wouldn't operate..How can this be? it has less than 10 hours of use on it. ???
    It has power, the fan turns, when I close the trigger argon flows out the torch. What I dont have is any wire feed or and Voltge at the torch, i.e. it wont even make and arc of any size, even with both knobs on MAX

    I took the cover off and the thermal circuit breaker has voltage on both sides. I verified 230V is geting to the circuit board.. The board had a green LED that glows and a red one that blinks "on" when I squeeze the trigger..

    Any IDEAS.. I'm calling th repair shop tomorrow?

    ... TJR
    I don't have any idea..please keep us up updated on this.
    thanks, Farris
    Gone But Never Forgotten!

    Comment

    • PAToyota
      Junior Member
      • Dec 2005
      • 20

      #3
      Are the feed rollers going? Could be as simple as the wire fused to the tip.
      Syncrowave 250DX
      Millermatic 250X
      Hypertherm PowerMax 1100

      Comment

      • MAC702
        Senior Member
        • Sep 2002
        • 3756

        #4
        Originally posted by PAToyota
        Could be as simple as the wire fused to the tip.
        He would still get hellacious arc action when he shorted the tip to the weldment, though.

        CALL Miller (920-734-9821) and ask for Tech Support. They will ask all the right questions and probably save you a trip to the shop.

        Comment

        • fyoung
          Senior Member
          • Dec 2005
          • 352

          #5
          fixed

          Originally posted by trickard
          Ok I went to weld up my custom trailer hitch today and much to my surprise my Millermatic 175 MIG unit wouldn't operate..How can this be? it has less than 10 hours of use on it. ???
          It has power, the fan turns, when I close the trigger argon flows out the torch. What I dont have is any wire feed or and Voltge at the torch, i.e. it wont even make and arc of any size, even with both knobs on MAX

          I took the cover off and the thermal circuit breaker has voltage on both sides. I verified 230V is geting to the circuit board.. The board had a green LED that glows and a red one that blinks "on" when I squeeze the trigger..

          Any IDEAS.. I'm calling th repair shop tomorrow?

          ... TJR
          Hi, just wondering if you got it fixed?
          Thanks, farris
          Gone But Never Forgotten!

          Comment

          • Miller Kevin
            Moderator
            • Sep 2005
            • 458

            #6
            trickard,

            I'm sorry to hear you are having a problem with your machine. There are a number of things that could cause a no wire feed condition in the Millermatic 175. You have eliminated some of these possibilities with the checks you made and you can leave the rest to your local warranty service center. Get the unit over to them and we'll get it taken care of ASAP.

            Kevin
            Kevin Schuh
            Service Technician
            Miller Electric Mfg. Co.

            Comment

            • DDA52
              Senior Member
              • Oct 2005
              • 1170

              #7
              Sure wished it worked like that, Kevin. Around here, it is a two to three week wait, just for a diagnosis. Actual repairs will take longer...and btw, would you like a rental machine while you wait?. Drives me nuts. My last warranty work on my MM135 took three and a half weeks. It was diagnosed, and had parts ordered and recieved all in three to four days...it took the rest of the time to wait in line for repair.
              Don


              '06 Trailblazer 302
              '06 12RC feeder
              Super S-32P feeder

              HH210 & DP3035 spool gun
              Esab Multimaster 260
              Esab Heliarc 252 AC/DC

              Comment

              • trickard
                Junior Member
                • Apr 2006
                • 2

                #8
                MillerMatic MIG 175 230V Fixed!!

                Ok here's the scoop. The welder is fixed. I did bring it to a Miller repair center. They confirmed my findings, No wire Feed, No OCV , Nothing to repair, needs a replacment PC (Main ) board. BTW the retail on the PC board is 1/2 the price of the welder!!! I was covered under warranty for the Board, but no the labor , travel expense...etc...etc. I was not provided an explaination as to why the original board failed, other than Miller Tech indicated they had a known problem w/ some of the boards. There are several obsoleted (down change) part numbers. It came with a new Amp/Wire speed setting chart to attach to the flip up cover., so there must be some changes/ improvments. Overall I am very pleased. The Cust Service was very great. The repair Center (Somersworth in New Hapshire) was alo excellent, 1 week turnaround, and 3 days was waiting for parts.


                The unit seems to works fine again! I will be testing this weekend!

                ...TJR

                Comment

                • fyoung
                  Senior Member
                  • Dec 2005
                  • 352

                  #9
                  Glad to hear U got it fixed!

                  Originally posted by trickard
                  Ok here's the scoop. The welder is fixed. I did bring it to a Miller repair center. They confirmed my findings, No wire Feed, No OCV , Nothing to repair, needs a replacment PC (Main ) board. BTW the retail on the PC board is 1/2 the price of the welder!!! I was covered under warranty for the Board, but no the labor , travel expense...etc...etc. I was not provided an explaination as to why the original board failed, other than Miller Tech indicated they had a known problem w/ some of the boards. There are several obsoleted (down change) part numbers. It came with a new Amp/Wire speed setting chart to attach to the flip up cover., so there must be some changes/ improvments. Overall I am very pleased. The Cust Service was very great. The repair Center (Somersworth in New Hapshire) was alo excellent, 1 week turnaround, and 3 days was waiting for parts.


                  The unit seems to works fine again! I will be testing this weekend!

                  ...TJR
                  that sounds high for a new board..that makes me wonder what the boards cost for the bigger welders..such as the 210's,250's,251's etc. !?!?
                  Glad to hear it was covered under warranty.
                  Thanks for the up-date,Farris
                  Gone But Never Forgotten!

                  Comment

                  • AxleIke
                    Junior Member
                    • Jan 2009
                    • 2

                    #10
                    Sorry to revive an OLD thread

                    Sorry for the bump on an ancient thread, but I am experiencing nearly this exact problem

                    I have a 175 machine that we've had for several years. It has operated flawlessly. This machine is a home "project machine" so hasn't seen much actual operating time. I would say ACTUAL weld time would be under 5 hours.

                    I have been working on a big project with my truck, and have welded several things over the last month or so. It's worked great.

                    Today, I go to begin welding some brackets up, and I make the first tack, but the line speed seems sluggish. I am able to get 2 tacks out before the wire feed motor stops completely. I measured voltage at the motor plug, and it was something like .05-.1 VDC. Not what I'd expect.

                    I did not check to see if I was getting arc at the tip.

                    however, I see the same progression as listed above: I pull the trigger, a red LED comes on on the main board, and gas comes out of the nozzle, but ZERO wire feed. I can hear a relay clicking on the board.

                    I'm on a tight schedule to get this done, and would LOVE to avoid a repair center.

                    Any advice? To me it looks as if I can either just call Miller, and get the Board, or wait for repair.
                    Last edited by AxleIke; 01-24-2009, 11:54 PM.

                    Comment

                    • AxleIke
                      Junior Member
                      • Jan 2009
                      • 2

                      #11
                      Bump to the top.

                      Comment

                      • Worth
                        Junior Member
                        • Jan 2009
                        • 1

                        #12
                        I have had a 175 for several years and just replaced the motor because it was blowing the fuse. After taking the original motor apart I found that the armature contacts were bridged with graphite from the brushes. I cleaned the gaps out and now the motor works just fine. I could have saved ~$200...
                        Yours may have the same problem and is just working intermittently.

                        Comment

                        • DrBob
                          Member
                          • Dec 2008
                          • 33

                          #13
                          Establish a record of this problem with Miller

                          Trickard,
                          How long have you owned the welder? Are you the original owner?
                          If your warranty is still in effect you want to call Miller service and get it on the record that you're having this problem. If you need a new circuit board, a new wirefeed motor or motor controller and you don't have a valid waranty claim,you will end up spending a lot of bucks!
                          Rent a welder or have some local shop do this job. Get the welder back to Miller asap.
                          DrBob

                          Comment

                          • pjg
                            Junior Member
                            • Mar 2009
                            • 1

                            #14
                            I too, am having a similar problem with my millermatic 175, the feed motor will not operate. I can get it to turn when I help it but once I let off the trigger it won't start on its own. the machine is a 2003 model.

                            I felt that it was a feed motor problem so i disconnected the feed motor and the voltage varies with the adjustment of the feed speed knob(appx 23 volts DC at max). With either motor in the circuit the voltage drops out almost to appx 2 VDC. I also checked voltage on the welding lead connections it varies from +/- 15 to 30 VDC

                            So I order a new motor and the new motor is doing the same thing.

                            Any Ideas?

                            Thanks

                            Comment

                            • pull-do
                              Member
                              • Mar 2006
                              • 57

                              #15
                              Originally posted by fyoung View Post
                              that sounds high for a new board..that makes me wonder what the boards cost for the bigger welders..such as the 210's,250's,251's etc. !?!?
                              Glad to hear it was covered under warranty.
                              Thanks for the up-date,Farris
                              I can tell you the 251nt Trailblazers are over $600.00 for their board,,,,,, mine went out with a smidge over 109 hrs on the clock,,,,, welcome to corporate America,,,,, pitifull in my books.
                              pull-do

                              Comment

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